E96 error code
ACV Prestige Solo E96 error code – Outdoor sensor open circuit
What does ACV Prestige Solo commercial condensing boiler E96 mean?
ACV documents E96 for the Prestige 42, 50, 75, 100 and 120 Solo range as: Outdoor sensor open circuit.
The code identifies the condition detected by the product; it does not always identify the failed component on its own. Confirm the full code and exact model before ordering parts or attempting a reset.
The ACV Prestige Solo commercial condensing boiler E96 error code indicates aCV documents E96 for the Prestige 42, 50, 75, 100 and 120 Solo range as: Outdoor sensor open circuit. This guide explains what the code means, the symptoms and likely causes, the checks that are safe to make, and when to stop and arrange an authorised repair.
Symptoms you may notice
The ACVMax display shows E96. The Prestige boiler may lock out, stop firing, restrict heating operation or show a protective warning.
Common causes
The official Prestige Solo locking-code table associates E96 with outdoor sensor open circuit. The exact combustion, airflow, pump, sensor, wiring, mixing-circuit, cascade or controller condition must be confirmed on the appliance.
Before you start troubleshooting
Use the display, rating label or product menu to confirm the exact model. Similar-looking codes can have different meanings across product generations and regions.
- Record the complete code before switching the equipment off.
- Check only user-accessible controls, filters and external connections described in the manual.
- Do not open gas, refrigerant, combustion or electrical compartments.
Troubleshooting steps
Record E96 and the exact Prestige Solo model. Check only the display, visible system pressure, power and external conditions permitted by the user instructions. Internal testing requires an approved engineer.
Can you fix this error code yourself?
The safest next step depends on the exact model and the cause behind the code. External checks may help, but a returning fault needs professional diagnosis.
A successful reset is not proof that the underlying issue is fixed. If E96 reappears, note when it happens and give that information to the service engineer.
Reset instructions
Correct the cause first and reset only as allowed by the official instructions. Some conditions clear automatically. If E96 returns, stop resetting and contact an approved installer.
Applicable products and models
When to contact a professional
Contact ACV support or an approved heating engineer when E96 persists, returns, affects combustion or circulation, or requires internal testing, adjustment or replacement.
Frequently asked questions
What does ACV Prestige Solo commercial condensing boiler E96 mean?
ACV documents E96 for the Prestige 42, 50, 75, 100 and 120 Solo range as: Outdoor sensor open circuit.
Can I fix ACV Prestige Solo commercial condensing boiler E96 myself?
Some external checks may be suitable for the user, but the result depends on the exact model and cause. Use the official manual and arrange service if the code returns.
Should I reset the product after code E96?
Correct the cause first and reset only as allowed by the official instructions. Some conditions clear automatically. If E96 returns, stop resetting and contact an approved installer.
When should I arrange a repair?
Contact ACV support or an approved heating engineer when E96 persists, returns, affects combustion or circulation, or requires internal testing, adjustment or replacement.
